11320473 has 4 divisors (see below), whose sum is σ = 15093968. Its totient is φ = 7546980.

The previous prime is 11320471. The next prime is 11320489. The reversal of 11320473 is 37402311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37402311 = 3 ⋅12467437.

It is not a de Polignac number, because 11320473 - 2¹ = 11320471 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11320471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886743 + ... + 1886748.

It is an arithmetic number, because the mean of its divisors is an integer number (3773492).

Almost surely, 2^11320473 is an apocalyptic number.

It is an amenable number.

11320473 is a deficient number, since it is larger than the sum of its proper divisors (3773495).

11320473 is an equidigital number, since it uses as much as digits as its factorization.

11320473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773494.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 11320473 is about 3364.5910598466. The cubic root of 11320473 is about 224.5371423146.

Adding to 11320473 its reverse (37402311), we get a palindrome (48722784).

The spelling of 11320473 in words is "eleven million, three hundred twenty thousand, four hundred seventy-three".